| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Dezheng Chem | China national standards | MT | 541.28 | USD | 20250920 |
| Shandong Shuojia Chem | Polyester Grade | MT | 618.6 | USD | 20250920 |
| Sinopec | China national standards | MT | 618.6 | USD | 20250920 |
| Shandong Shuojia Chem | China national standards | MT | 618.6 | USD | 20250920 |
| Shandong Shuojia Chem | Polyester Grade | MT | 618.6 | USD | 20250920 |
| Shandong Hongshuo Chem | China national standards | MT | 492.07 | USD | 20250920 |
| Shandong Hongshuo Chem | Polyester Grade | MT | 534.25 | USD | 20250920 |
| Shandong Hongshuo Chem | China national standards | MT | 506.13 | USD | 20250920 |
| CNPC | China national standards | MT | 634.07 | USD | 20250920 |
| BASF YPC | China national standards | MT | 625.63 | USD | 20250920 |